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3 years ago

The equation of a circle centered at the origin is x^2+y^2=16. what is the radius of the circle?

Mathematics

1 answer:

vekshin13 years ago

4 0

Answer:

The center is (0,0) and the radius is 4

Step-by-step explanation:

x^2+y^2=16.

The equation of a circle can be written in the form

(x-h)^2+(y-k)^2=r^2 where ( h,k) is the center and r is the radius

(x-0)^2+(y-0)^2=4^2

The center is (0,0) and the radius is 4

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3 years ago

The track team is trying to reduce their time for a relay race. First they reduce their time by 1.2 minutes. Then they are able

Digiron [165]

Answer:

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Step-by-step explanation:

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3 years ago

A slice is made perpendicular to the base of a right rectangular prism as shown.

Eduardwww [97]

Answer:

The correct option is 1. The area of cross section area is 48 mm².

Step-by-step explanation:

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The area of a rectangle is the product of its dimensions.

$A=l\times w$

Where, l is length of the rectangle and w is width of the rectangle.

The area of cross section is

$A=4\times 12$

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3 years ago

A student wondered if more than 10% of students enrolled in an introductory Chemistry class dropped before the midterm. He noti

Ilia_Sergeevich [38]

Answer:

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Step-by-step explanation:

Let p be the percentage of students enrolled in an introductory Chemistry class dropped before the midterm. Then null and alternative hypotheses are:

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3 years ago

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sertanlavr [38]

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3 years ago